css二阴影+第三维度z-index

<span style="text-shadow: 3px 3px 1px #888;">shadowed</span>
<span style="position: relative;">
shadowed
<span style="position:absolute; top:3px; left:3px;z-index:-1;color:#888;">shadowed</span>
</span>

原文地址:https://www.cnblogs.com/tingbogiu/p/5530093.html